This section of the Learning Area is designed to provide answers to common questions that may come up, which are not necessarily part of the structured core learning pathways (e.g. the HTML or CSS learning articles.) These articles are designed to work on their own.

How the Web works

This section covers web mechanics —questions relating to general knowledge of the Web ecosystem and how it works.

The Internet is the backbone of the Web, the technical infrastructure that makes the Web possible. At its most basic, the Internet is a large network of computers which communicate all together. This article discusses how it works, at a basic level.

In this article we describe various web-related concepts: webpages, websites, web servers, and search engines. These terms are often confused by newcomers to the Web, or are incorrectly used. Let's learn what they each mean!

The term "Web server" can refer to the hardware or software that serves web sites to clients across the Web — or both of them working together. In this article we go over how web servers work, and why they're important.

This set of articles shows you how to use the Developer Tools in Firefox to debug and improve performance of your website, using the tools to check the memory usage, the JavaScript call tree, the amount of DOM nodes being rendered, and more.